> > > > Dr. John O'Hara, MD
Dr. John Joseph O'Hara MD is a male Internist, has 49 years of experience and practices in Orthopaedic Surgery, Orthopaedic Surgery of the Hand, and Cardiovascular Disease.
Dr. John O'Hara has 6 office locations.
Torrance Orthopedic & Sports Medicine Grp
23456 Hawthorne Blvd
Ste 300
Torrance, CA 90505

Phone Number
Locations and availability (6)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).


Our records indicate this doctor is retired.

Patient Reviews

  • Currently 1 of 4 stars
Patient comments (0)

The overall average patient rating of Dr. John O'Hara is Poor. Dr. O'Hara has been reviewed by 1 patients who have provided 0 comments. The rating is 1 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Courteous Staff 2.0
  • Currently 2 of 4 stars
Accurate Diagnosis 1.0
  • Currently 1 of 4 stars
Bedside Manner 1.0
  • Currently 1 of 4 stars
Spends Time with Me 1.0
  • Currently 1 of 4 stars
Follows Up After Visit 1.0
  • Currently 1 of 4 stars

Specialties & Research

Dr. John O'Hara, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 9 areas:
  • Acute Coronary Syndrome (ACS)
  • Hand Surgery
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Unstable Angina

Education & Awards

Dr. O'Hara graduated from Drexel University , Philadelphia.


Dr. O'Hara has 14 hospital affiliations:

  • Bryn Mawr Rehabilitation Hospital 
  • Riddle Memorial Hospital 

Accepted Insurance Plans

Dr. O'Hara accepts these health insurances in at least one office:

  • United Healthcare - 12 plans
  • Aetna - 3 plans
  • Independence Blue Cross - 1 plan
  • Unicare - 13 plans
  • Oxford Health Plans - 2 plans
  • Humana - 2 plans
  • USA H & W Network - 1 plan


  • French
  • Russian

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Additional Information
Where does Dr. John J. O'Hara practice?
Dr. John O'Hara practices Orthopaedic Surgery, Orthopaedic Surgery of the Hand, and Cardiovascular Disease near Torrance, CA.
Additional practice locations include: Paoli, PA and Wayne, PA.
See Torrance Surgeons and Torrance Cardiologists.